CN115750422A - Fan shaking value testing method and system, electronic equipment and storage medium - Google Patents

Abstract

A fan sloshing value testing method, a system, an electronic device and a storage medium are provided, wherein the method comprises the following steps: acquiring rotating speed data of a fan with a shaking value to be tested; judging whether the rotating speed data reach a first threshold value or not, and if the rotating speed data reach the first threshold value, acquiring distance data of a distance sensor; continuously acquiring a plurality of distance data in a time window with a preset length to form a distance data set; calculating a shaking value of the fan; and judging whether the shaking value exceeds a preset second threshold value, if so, giving a first signal that the fan shaking value test is unqualified, and if the shaking value is smaller than the second threshold value, giving a second signal that the fan shaking value test is qualified. The fan running shaking value is accurately measured through the distance sensor, the testing process of the shaking value is automated, errors of manual testing are avoided, the testing accuracy is improved, and labor cost is saved.

Description

Fan shake value test method, system, electronic equipment, storage medium

technical field

The invention relates to the technical field of fan manufacturing, in particular to a method, system, electronic equipment, and storage medium for testing fan shaking values.

Background technique

Before leaving the factory, the fans and fan lights need to be tested for the shaking value in the running environment. If the shaking value of the fan exceeds the standard, it will affect the customer's experience.

At present, the manual test and judgment method of laser pointer + ruler is used. Specifically, the fan is set to run on the hanger, and the laser pointer is bound to the fan, so that the shaking of the fan drives the laser pointer to shake, and the beam emitted by the laser pointer hits the On the predetermined panel, there is a circular scale delineated on the panel. If the light spot of the laser beam on the panel is always within the range of the circular scale during the operation of the fan, the fan shaking value is considered qualified, otherwise, it is considered unqualified .

The disadvantages of the above method include: 1. There are deviations in human judgment through human judgment of whether it is qualified or not; 2. During the testing process, personnel are required to visually check whether the light spot of the laser pointer exceeds the scale, and the work intensity is high.

The information disclosed in this Background section is only intended to enhance the understanding of the general background of the present invention, and should not be considered as an acknowledgment or any form of suggestion that the information constitutes the prior art that is already known to those skilled in the art.

Contents of the invention

Aiming at the problems existing in the prior art, the present invention provides a fan shaking value testing method, system, electronic equipment, and storage medium.

In a first aspect, the present invention provides a method for testing fan vibration values, the method comprising:

Obtain the rotational speed data of the fan with shaking value to be tested;

judging whether the rotational speed data reaches a first threshold, and if the rotational speed data reaches the first threshold, acquire distance data from a distance sensor, and the distance sensor measures a distance value from the distance sensor to the fan as the distance data;

Continuously acquiring a plurality of distance data within a time window of a predetermined length to form a distance data set;

calculating a shaking value of the fan based on the distance data set;

judging whether the wobble value exceeds a preset second threshold, if the wobble value exceeds the second threshold, then give a first signal that the fan wobble test fails, if the wobble value is less than the If the second threshold value is used, then a second signal is given that the fan shaking value test is qualified.

According to a method for testing fan sway value provided by the present invention, calculating the sway value of the fan based on the distance data set includes:

calculating a first difference between a maximum distance and a minimum distance in the distance data set;

using the first difference as the shake value;

or,

Taking the first distance in the time series of the distance data as the zeroing value;

calculating a plurality of second differences between distances in other time series in the distance data set and the zeroing value;

Taking the maximum value among the plurality of second difference values as the shaking value.

According to a fan shaking value testing method provided by the present invention, a plurality of distance data within a time window of a predetermined length are continuously acquired to form a distance data set, including:

Multiple sets of distance data in multiple sub-time windows are acquired continuously to form multiple sub-distance data sets.

According to a method for testing fan sway value provided by the present invention, calculating the sway value of the fan based on the distance data set includes:

calculating a plurality of sub-shaking values of the fan based on a plurality of sub-distance data sets;

Taking the maximum value among the plurality of sub-shake values as the shake value of the fan.

According to a method for testing fan shaking values provided by the present invention, the method further includes:

During other periods of time when the first signal and the second signal are given, a third signal that the fan is under test is given.

In the second aspect, the present invention also provides a fan shaking value testing system, the system comprising:

The first obtaining module is used to obtain the rotational speed data of the fan with shaking value to be tested;

The first judging module is used to judge whether the rotational speed data reaches the first threshold, and if the rotational speed data reaches the first threshold, acquire the distance data of the distance sensor, and the distance sensor measures the distance from the distance sensor to the The distance value of the fan is used as the distance data;

The second acquisition module is used to continuously acquire a plurality of distance data within a time window of a predetermined length to form a distance data set;

A calculation module, configured to calculate the shaking value of the fan based on the distance data set;

A judging module, configured to judge whether the wobble value exceeds a preset second threshold, and if the wobble value exceeds the second threshold, then give a first signal that the fan wobble test fails, if the If the wobble value is less than the second threshold, a second signal is given that the fan wobble value test is qualified.

In the third aspect, the present invention also provides a fan shaking value testing system, the system comprising:

The rotational speed sensor is used to obtain the rotational speed data of the fan whose vibration value is to be tested;

a distance sensor, used to measure a distance value from the sensor to the fan as distance data;

a controller, the controller is connected to both the rotational speed sensor and the distance sensor;

in,

The controller judges whether the rotational speed data reaches a first threshold, and if the rotational speed data reaches the first threshold, acquires the distance data of the distance sensor;

The controller continuously acquires a plurality of distance data within a time window of a predetermined length to form a distance data set;

The controller calculates the shaking value of the fan based on the distance data set;

The controller judges whether the shaking value exceeds a preset second threshold, and if the shaking value exceeds the second threshold, then gives a first signal that the fan shaking value test fails, and if the shaking If the value is less than the second threshold, a second signal is given that the fan shaking value test is qualified.

According to a method for testing fan shaking values provided by the present invention, the system further includes:

a display device, the display device is connected to the controller;

Wherein, the display device emits light of a first color when receiving the first signal, and emits light of a second color when receiving the second signal.

In the fourth aspect, the present invention also provides an electronic device, including a memory, a processor, and a computer program stored on the memory and operable on the processor, and the processor implements the following when executing the program: The steps of the method for testing the fan vibration value described in any one of the above.

In the fifth aspect, the present invention also provides a non-transitory computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the method for testing the fan shaking value described in any one of the above-mentioned methods is implemented. step.

The fan sloshing value testing method, system, electronic equipment, and storage medium provided by the present invention realize the accurate measurement of the swaying value of the fan operation through the distance sensor, and automate the testing process of the swaying value, avoiding the error of manual testing, and improving the The accuracy of the test saves labor costs.

Description of drawings

In order to more clearly illustrate the present invention or the technical solutions in the prior art, the accompanying drawings that need to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the accompanying drawings in the following description are the For some embodiments of the present invention, those of ordinary skill in the art can also obtain other drawings based on these drawings on the premise of not paying creative efforts.

Fig. 1 is a schematic flow chart of a method for testing the shaking value of a fan provided by the present invention;

Fig. 2 is a structural schematic diagram of a fan shaking value testing system also provided by the present invention;

Fig. 3 is a structural schematic diagram of another fan shaking value testing system provided by the present invention;

FIG. 4 is a schematic diagram of the physical structure of an electronic device provided by the present invention.

Reference signs: 1-first hanger; 2-fan; 3-distance sensor; 4-second hanger; 5-controller.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. Obviously, the described embodiments are part of the embodiments of the present invention , but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

The method for testing the fan shaking value provided by the embodiment of the present application will be described in detail below through specific embodiments and application scenarios with reference to the accompanying drawings.

Fig. 1 is a schematic flowchart of a method for testing fan sway value provided by the present invention. As shown in Fig. 1 , the method for testing fan sway value provided by the present invention includes the following steps.

Preferably, the test method is executed by the controller as a program, and actions such as acquisition, judgment, calculation, and presentation in the following steps correspond to various functions in the program.

S100. Obtain the rotational speed data of the fan whose vibration value is to be tested.

Preferably, after the fan is started, the rotational speed of the fan is gradually increased under the controller.

S200. Determine whether the rotational speed data reaches the first threshold. If the rotational speed data reaches the first threshold, acquire distance data from the distance sensor, and the distance sensor measures the distance from the distance sensor to the fan as the distance data.

Preferably, the first threshold is set at 265rpm/min, and the maximum wind speed of the fan to be tested is 265-270rpm/min.

S300. Continuously acquire a plurality of distance data within a time window of a predetermined length to form a distance data set.

Preferably, the predetermined length is 3s.

Optionally, multiple distance data within a time window of a predetermined length are continuously acquired to form a distance data set, including:

Continuously acquire multiple sets of distance data in multiple sub-time windows to form multiple sub-distance data sets.

Preferably, the length of the sub-time window is 1s, and correspondingly, the number of sub-time windows is 3.

Further, the three sub-time windows are continuous in time.

Optionally, based on the distance data set, calculate the shaking value of the fan, including:

Based on multiple sub-distance data sets, calculate multiple sub-shake values of the fan;

The maximum value among the multiple sub-shake values is used as the shake value of the fan.

S400. Calculate the shaking value of the fan based on the distance data set.

Optionally, based on the distance data set, calculate the shaking value of the fan, including:

Calculate the first difference between the maximum distance and the minimum distance in the distance data set;

Use the first difference as the shake value;

or,

Use the first distance in the time series of the distance data set as the zeroing value;

calculating a plurality of second differences between distances on other time series in the distance data set and the zeroing value;

The maximum value among the plurality of second difference values is used as the shake value.

S500. Determine whether the shaking value exceeds the preset second threshold, if the shaking value exceeds the second threshold, give the first signal that the fan shaking value test fails, and if the shaking value is less than the second threshold, give the fan shaking value The second signal that the test passed.

Optionally, the method also includes:

A third signal that the fan is being tested is given during the other period of time during which the first and second signals are given.

In this embodiment, the precise measurement of the running sway value of the fan is realized through the distance sensor, and the test process of the sway value is automated, which avoids manual test errors, improves test accuracy, and saves labor costs.

Fig. 2 is a schematic structural diagram of a fan sway value testing system provided by the present invention. As shown in Fig. 2 , the present invention also provides a fan sway value test system, and the system includes:

A rotation speed sensor, used to obtain the rotation speed data of the fan 2 with the shaking value to be tested;

The distance sensor 3 is used to measure the distance value from the sensor to the fan 2 as distance data;

A controller 5, the controller 5 is connected with the rotational speed sensor and the distance sensor 3;

in,

The controller 5 judges whether the rotational speed data reaches the first threshold, and if the rotational speed data reaches the first threshold, then acquires the distance data of the distance sensor;

The controller 5 continuously acquires a plurality of distance data within a time window of a predetermined length to form a distance data set;

The controller 5 calculates the shaking value of the fan based on the distance data set;

The controller 5 judges whether the shaking value exceeds the preset second threshold, and if the shaking value exceeds the second threshold, it will give the first signal that the fan shaking value test fails, and if the shaking value is less than the second threshold, it will give the fan shaking The value tests pass the second signal.

Preferably, the rotational speed sensor is arranged in the first hanger 1, and the first hanger 1 is used to lift the fan 2 to run, simulating the stress state of the fan 2 in a normal operating scene.

Preferably, the system further includes a second hanger 4, the second hanger 4 is used to hang the distance sensor 3, and the distance sensor 3 can measure the distance from itself to the fan.

Preferably, the distance sensor 4 comprises a laser displacement sensor.

Furthermore, the distance between the laser displacement sensor and the fan is 300-600mm. If it is not within this range, the measurement accuracy may not meet the requirements of the shaking value test, resulting in test failure.

It should be noted that the distance sensor may also be an electromagnetic wave sensor using other bands, such as millimeter wave radar, or sonar. Furthermore, a contact sensor may not be suitable for this scenario, because the contact sensor itself may affect the shaking performance of the fan.

Preferably, the controller comprises a Programmable Logic Controller (PLC).

Optionally, the system also includes:

a display device connected to the controller;

Wherein, the display device emits light of the first color when receiving the first signal, and emits light of the second color when receiving the second signal.

Preferably, during other periods of time when the first signal and the second signal are given, the controller can also give a third signal that the fan is being tested.

Preferably, the display device emits light of the third color when receiving the third signal.

Preferably, the display device includes a three-color lighthouse, which can provide a significant reminder to personnel.

This embodiment has been applied in the delivery inspection of fan lamps, and the system stability is better than that of a manual judgment test system.

In this embodiment, the precise measurement of the running sway value of the fan is realized through the distance sensor, and the test process of the sway value is automated, which avoids manual test errors, improves test accuracy, and saves labor costs.

The fan shaking value testing system provided by the present invention is described below, and the fan shaking value testing system described below and the fan shaking value testing method described above can be referred to in correspondence.

Fig. 3 is a schematic structural diagram of another fan shaking value testing system provided by the present invention. As shown in Fig. 3, another fan shaking value testing system provided by the present invention includes:

The first obtaining module is used to obtain the rotational speed data of the fan with shaking value to be tested;

The first judging module is used to judge whether the rotational speed data reaches the first threshold, and if the rotational speed data reaches the first threshold, then acquire the distance data of the distance sensor, and the distance sensor measures the distance value from the distance sensor to the fan as the distance data;

The second acquisition module is used to continuously acquire a plurality of distance data within a time window of a predetermined length to form a distance data set;

A calculation module is used to calculate the shaking value of the fan based on the distance data set;

The judging module is used to judge whether the vibration value exceeds the preset second threshold. If the vibration value exceeds the second threshold, a first signal indicating that the fan vibration value test fails is given. If the vibration value is less than the second threshold, a signal is given. The second signal that the fan vibration value test is passed.

Preferably, this embodiment can correspond to multiple program modules in the controller.

In this embodiment, the precise measurement of the running sway value of the fan is realized through the distance sensor, and the test process of the sway value is automated, which avoids manual test errors, improves test accuracy, and saves labor costs.

FIG. 4 is a schematic diagram of the physical structure of an electronic device provided by the present invention. As shown in FIG. The bus 440 , wherein the processor 410 , the communication interface 420 , and the memory 430 communicate with each other through the communication bus 440 . The processor 410 can call the logic instructions in the memory 430 to execute the method for testing the fan shaking value, and the method includes:

Obtain the rotational speed data of the fan with shaking value to be tested;

judging whether the rotational speed data reaches a first threshold, and if the rotational speed data reaches the first threshold, acquire distance data from a distance sensor, and the distance sensor measures a distance value from the distance sensor to the fan as the distance data;

Continuously acquiring a plurality of distance data within a time window of a predetermined length to form a distance data set;

calculating a shaking value of the fan based on the distance data set;

judging whether the wobble value exceeds a preset second threshold, if the wobble value exceeds the second threshold, then give a first signal that the fan wobble test fails, if the wobble value is less than the If the second threshold value is used, then a second signal is given that the fan shaking value test is qualified.

In addition, the above logic instructions in the memory 430 may be implemented in the form of software functional units and may be stored in a computer-readable storage medium when sold or used as an independent product. Based on this understanding, the essence of the technical solution of the present invention or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the method described in each embodiment of the present invention. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disk and other media that can store program codes. .

On the other hand, the present invention also provides a computer program product, the computer program product includes a computer program stored on a non-transitory computer-readable storage medium, the computer program includes program instructions, and when the program instructions are executed by a computer During execution, the computer can execute the fan shaking value testing method provided by the above-mentioned methods, and the method includes:

Obtain the rotational speed data of the fan with shaking value to be tested;

judging whether the rotational speed data reaches a first threshold, and if the rotational speed data reaches the first threshold, acquire distance data from a distance sensor, and the distance sensor measures a distance value from the distance sensor to the fan as the distance data;

Continuously acquiring a plurality of distance data within a time window of a predetermined length to form a distance data set;

calculating a shaking value of the fan based on the distance data set;

judging whether the wobble value exceeds a preset second threshold, if the wobble value exceeds the second threshold, then give a first signal that the fan wobble test fails, if the wobble value is less than the If the second threshold value is used, then a second signal is given that the fan shaking value test is qualified.

In yet another aspect, the present invention also provides a non-transitory computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, it is implemented to perform the fan vibration value testing methods provided above, and the method include:

Obtain the rotational speed data of the fan with shaking value to be tested;

judging whether the rotational speed data reaches a first threshold, and if the rotational speed data reaches the first threshold, acquire distance data from a distance sensor, and the distance sensor measures a distance value from the distance sensor to the fan as the distance data;

Continuously acquiring a plurality of distance data within a time window of a predetermined length to form a distance data set;

calculating a shaking value of the fan based on the distance data set;

judging whether the wobble value exceeds a preset second threshold, if the wobble value exceeds the second threshold, then give a first signal that the fan wobble test fails, if the wobble value is less than the If the second threshold value is used, then a second signal is given that the fan shaking value test is qualified.

The device embodiments described above are only illustrative, and the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in One place, or it can be distributed to multiple network elements. Part or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. It can be understood and implemented by those skilled in the art without any creative efforts.

Through the above description of the implementations, those skilled in the art can clearly understand that each implementation can be implemented by means of software plus a necessary general hardware platform, and of course also by hardware. Based on this understanding, the essence of the above technical solution or the part that contributes to the prior art can be embodied in the form of software products, and the computer software products can be stored in computer-readable storage media, such as ROM/RAM, magnetic discs, optical discs, etc., including several instructions to make a computer device (which may be a personal computer, server, or network device, etc.) execute the methods described in various embodiments or some parts of the embodiments.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims (10)

1. A fan shake value test method, is characterized in that, described method comprises: Obtain the rotational speed data of the fan with shaking value to be tested; judging whether the rotational speed data reaches a first threshold, and if the rotational speed data reaches the first threshold, acquire distance data from a distance sensor, and the distance sensor measures a distance value from the distance sensor to the fan as the distance data; Continuously acquiring a plurality of distance data within a time window of a predetermined length to form a distance data set; calculating a shaking value of the fan based on the distance data set; judging whether the wobble value exceeds a preset second threshold, if the wobble value exceeds the second threshold, then give a first signal that the fan wobble test fails, if the wobble value is less than the If the second threshold value is used, then a second signal is given that the fan shaking value test is qualified. 2. The fan shaking value testing method according to claim 1, wherein, based on the distance data set, calculating the shaking value of the fan includes: calculating a first difference between a maximum distance and a minimum distance in the distance data set; using the first difference as the shake value; or, Taking the first distance in the time series of the distance data as the zeroing value; calculating a plurality of second differences between distances in other time series in the distance data set and the zeroing value; Taking the maximum value among the plurality of second difference values as the shaking value. 3. The fan shaking value testing method according to claim 1, characterized in that, continuously acquiring a plurality of distance data within a time window of a predetermined length to form a distance data set, comprising: Multiple sets of distance data in multiple sub-time windows are acquired continuously to form multiple sub-distance data sets. 4. The fan shaking value testing method according to claim 3, wherein, based on the distance data set, calculating the shaking value of the fan includes: calculating a plurality of sub-shaking values of the fan based on a plurality of sub-distance data sets; Taking the maximum value among the plurality of sub-shake values as the shake value of the fan. 5. The fan shaking value test method according to claim 1, wherein the method further comprises: During other periods of time when the first signal and the second signal are given, a third signal that the fan is under test is given. 6. A fan shaking value testing system, characterized in that the system comprises: The first obtaining module is used to obtain the rotational speed data of the fan with shaking value to be tested; The first judging module is used to judge whether the rotational speed data reaches the first threshold, and if the rotational speed data reaches the first threshold, acquire the distance data of the distance sensor, and the distance sensor measures the distance from the distance sensor to the The distance value of the fan is used as the distance data; The second acquisition module is used to continuously acquire a plurality of distance data within a time window of a predetermined length to form a distance data set; A calculation module, configured to calculate the shaking value of the fan based on the distance data set; A judging module, configured to judge whether the wobble value exceeds a preset second threshold, and if the wobble value exceeds the second threshold, then give a first signal that the fan wobble test fails, if the If the wobble value is less than the second threshold, a second signal is given that the fan wobble value test is qualified. 7. A fan shaking value testing system, characterized in that the system includes: The rotational speed sensor is used to obtain the rotational speed data of the fan whose vibration value is to be tested; a distance sensor, used to measure a distance value from the sensor to the fan as distance data; a controller, the controller is connected to both the rotational speed sensor and the distance sensor; in, The controller judges whether the rotational speed data reaches a first threshold, and if the rotational speed data reaches the first threshold, acquires the distance data of the distance sensor; The controller continuously acquires a plurality of distance data within a time window of a predetermined length to form a distance data set; The controller calculates the shaking value of the fan based on the distance data set; The controller judges whether the shaking value exceeds a preset second threshold, and if the shaking value exceeds the second threshold, then gives a first signal that the fan shaking value test fails, and if the shaking If the value is less than the second threshold, a second signal is given that the fan shaking value test is qualified. 8. The fan shaking value testing system according to claim 7, wherein the system further comprises: a display device, the display device is connected to the controller; Wherein, the display device emits light of a first color when receiving the first signal, and emits light of a second color when receiving the second signal. 9. An electronic device comprising a memory, a processor, and a computer program stored on the memory and operable on the processor, wherein the processor according to claim 1 is implemented when executing the program. - The steps of the fan vibration value test method described in any one of 5. 10. A non-transitory computer-readable storage medium, on which a computer program is stored, characterized in that, when the computer program is executed by a processor, the fan shaking value test according to any one of claims 1-5 is realized method steps.

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